28945005

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 47706624

約数和(自身を除く): 18761619

約数列:

[1, 3, 5, 15, 67, 83, 201, 249, 335, 347, 415, 1005, 1041, 1245, 1735, 5205, 5561, 16683, 23249, 27805, 28801, 69747, 83415, 86403, 116245, 144005, 348735, 432015, 1929667, 5789001, 9648335, 28945005]

約数ペア:

[(1, 28945005), (3, 9648335), (5, 5789001), (15, 1929667), (67, 432015), (83, 348735), (201, 144005), (249, 116245), (335, 86403), (347, 83415), (415, 69747), (1005, 28801), (1041, 27805), (1245, 23249), (1735, 16683), (5205, 5561)]